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Ubuntu Security Notice: USN-6782-1 Critical: Thunderbird Issues

ubuntu
Calendar Grey May 22, 2024
Dist Ubuntu Esm H88
Implementing various enhancements for Thunderbird's security flaws to bolster Ubuntu's defenses. Critical patches for all users.
Several security issues were fixed in Thunderbird.

Summary

Several security issues were fixed in Thunderbird.

Software Description:

- thunderbird: Mozilla Open Source mail and newsgroup client

Details:

Multiple security issues were discovered in Thunderbird. If a user were

tricked into opening a specially crafted website in a browsing context, an

attacker could potentially exploit these to cause a denial of service,

obtain sensitive information, bypass security restrictions, cross-site

tracing, or execute arbitrary code. (CVE-2024-4767, CVE-2024-4768,

CVE-2024-4769, CVE-2024-4777)

Thomas Rinsma discovered that Thunderbird did not properly handle type check

when handling fonts in PDF.js. An attacker could potentially exploit this

issue to execute arbitrary javascript code in PDF.js. (CVE-2024-4367)

Irvan Kurniawan discovered that Thunderbird did not properly handle certain

font styles when saving a page to PDF. An attacker could potentially

exploit this issue to cause a denial of service. (CVE-2024-4770)

Topics%20covered

Topics Covered

security advisory denial of service software update ubuntu thunderbird

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 23.10
  thunderbird                     1:115.11.0+build2-0ubuntu0.23.10.1

Ubuntu 22.04 LTS
  thunderbird                     1:115.11.0+build2-0ubuntu0.22.04.1

Ubuntu 20.04 LTS
  thunderbird                     1:115.11.0+build2-0ubuntu0.20.04.1

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6782-1

CVE-2024-4367, CVE-2024-4767, CVE-2024-4768, CVE-2024-4769,

CVE-2024-4770, CVE-2024-4777

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6782-1

Topics%20covered

Topics Covered

security advisory denial of service software update ubuntu thunderbird

Package Information

https://launchpad.net/ubuntu/+source/thunderbird/1:115.11.0+build2-0ubuntu0.23.10.1
https://launchpad.net/ubuntu/+source/thunderbird/1:115.11.0+build2-0ubuntu0.22.04.1

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